1313212113 has 24 divisors (see below), whose sum is σ = 1999838880. Its totient is φ = 828092160.

The previous prime is 1313212099. The next prime is 1313212169. The reversal of 1313212113 is 3112123131.

1313212113 is a `hidden beast` number, since 131 + 321 + 211 + 3 = 666.

It is not a de Polignac number, because 1313212113 - 2¹³ = 1313203921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1313212183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 109378 + ... + 120788.

It is an arithmetic number, because the mean of its divisors is an integer number (83326620).

Almost surely, 2^1313212113 is an apocalyptic number.

It is an amenable number.

1313212113 is a deficient number, since it is larger than the sum of its proper divisors (686626767).

1313212113 is a wasteful number, since it uses less digits than its factorization.

1313212113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12109 (or 12106 counting only the distinct ones).

The product of its digits is 108, while the sum is 18.

The square root of 1313212113 is about 36238.2686258601. The cubic root of 1313212113 is about 1095.0777626641.

Adding to 1313212113 its reverse (3112123131), we get a palindrome (4425335244).

The spelling of 1313212113 in words is "one billion, three hundred thirteen million, two hundred twelve thousand, one hundred thirteen".